Word: electromagneticism
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At present, man's basic knowledge about the physical universe is contained in two independent theories: 1) relativity, which deals with the gravitational fields produced by massive bodies; and 2) the quantum theory, which deals with electromagnetic effects. The two theories touch at many points, but there is no...
"Our State Department does not look with favor on this means of getting in touch with people on the other side of the barrier," he declared. "They have the idea that it will be construed as an invasion of sovereignty by the Russian government. Through some queer quirk of diplomatic...
Natural uranium contains two principal "isotopes" (U-235 and nonexplosive U-238) which differ only in atomic weight. Since the isotopes are identical chemically, they cannot be separated by chemical means. They must be separated by some process taking advantage of their slightly different atomic weights. The job is extremely...
The experts are not sure what particle (or particles) causes this great commotion. Some think the primary rays are electrons which must be moving (to have so much energy) at almost the speed of light. But Dr. Bruno Rossi of M.I.T. presented a paper at last week's meeting...
The new system does away with a large amount of electric wiring (about 40 electromagnetic relays in a 20-story building). Since the touch button has no moving parts, no mechanical failures are possible.